the willow tree of the West Road of Ji'nan black tiger spring has a large area of willow catkins (April 6th). In April, the weather in Ji'nan, Shandong became warmer. The willow trees in the urban area began to grow willow catkins, and the white catkins were flying like snowflakes in the spring breeze. Gardening departments remind that citizens who are sensitive to willow catkins can wear masks to protect themselves during this period. Xinhua News Agency reporter Xu tau painted
